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Balancing Chemical Equations Solutions Library

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450 solutions

Balancing Chemical Equations

Q. Why must chemical equations be balanced?In a balanced chemical equation, the coefficients in front of each reactant and product allow us to predict...

Solved • Nov 23, 2020

Balancing Chemical Equations

Q. Why do chemical equations need to be balanced?

Solved • Nov 17, 2020

Balancing Chemical Equations

Q. Balance the following chemical equation:KAI(SO4)2(aq) + NH4OH(aq)  → Al(OH)3(s) + (NH4)2SO4(aq) + KOH(aq)

Solved • Nov 17, 2020

Balancing Chemical Equations

Q. Which equation best represents the ionic reaction that occurs when a copper wire is dipped into a silver nitrate solution?(A) Cu + AgNO3 ---> Ag...

Solved • Nov 13, 2020

Balancing Chemical Equations

Q. MnI2(aq) + AgNO3(aq) → AgI(s)+Mn(NO3)2(aq)Balance each of the following chemical equations. Give your answer as coefficients separated by commas.

Solved • Nov 9, 2020

Balancing Chemical Equations

Q. Using your newly-found equation balancing knowledge, balance the following equations:1) ___ NaClO3 → ___ NaCl + ___ O22) ___ Ca + ___ O2 → ___ CaO

Solved • Oct 21, 2020

Balancing Chemical Equations

Q. Using your newly-found equation balancing knowledge, balance the following equations:1) ___ As2O5 + ___ H2O → ___ H3AsO42) ___ NH3 + ___ O2 → ___ N...

Solved • Oct 21, 2020

Balancing Chemical Equations

Q. Using your newly-found equation balancing knowledge, balance the following equations:1) ___ C4H8 + ___ O2 → ___ CO2 + ___ H2O2) ___ Ga(OH)3 + ___ K...

Solved • Oct 21, 2020

Balancing Chemical Equations

Q. Using your newly-found equation balancing knowledge, balance the following equations:1) ___ Ni(OH)3 → ___ Ni2O3 + ___ H2O2) ___ K2SO3 + ___ Mn(OH)2...

Solved • Oct 21, 2020

Balancing Chemical Equations

Q. Using your newly-found equation balancing knowledge, balance the following equations:1) ___ Br2 + ___ LiF → ___ LiBr + ___ F22) ___ H3PO4 + ___ Fe(...

Solved • Oct 21, 2020

Balancing Chemical Equations

Q. What is the coefficient for iron when the following equation is balanced?_ Fe + ­­_ Cl2 -> _ FeCl3A) 2B) 4C) 3D) 1

Solved • Oct 19, 2020

Balancing Chemical Equations

Q. When the equation _O2 + ­­_C5H12 -> _CO2 + _H2O is balanced the coefficient of O2 isA) 3B) 5C) 4D) 8

Solved • Oct 19, 2020

Balancing Chemical Equations

Q. When the equation, _N2 + _H2 -> ­_NH3 is balanced, the coefficient of hydrogen isA. 3B. 2C. 1D. 4

Solved • Oct 19, 2020

Balancing Chemical Equations

Q. What is the coefficient for oxygen when the following equation is balanced?_KMnO4 -> _K2O + _MnO + _O2A) 1B) 2C) 5D) 3

Solved • Oct 19, 2020

Balancing Chemical Equations

Q. Part B. What is the chemical equation for the reaction that corresponds to breaking just the carbon-carbon bonds in gaseous benzene,C6H6(g)? Indica...

Solved • Jul 2, 2020

Balancing Chemical Equations

Q. Calculate the enthalpy of combustion, ΔH°comb, for C6H14. You'll first need to determine the balanced chemical equation for the combustion of C6H14...

Solved • Jul 2, 2020

Balancing Chemical Equations

Q. Predict the product(s) of the following reaction:Cs + Br2 ⇌The equation is not necessarily balanced.To be able to predict the products of some alka...

Solved • Jul 2, 2020

Balancing Chemical Equations

Q. Balance the given chemical equation using whole-number coefficients.?D2(g) + ?O2(g) → ?D2O(l)Enter the coefficients in order separated by commas (e...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. What coefficients are needed to balance the equation for the complete combustion of methane? Enter the coefficients in the order CH4, O2, CO2, and ...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. In the PhET simulation, click on the Game icon at the bottom of the screen. Balance the given chemical equations by changing the coefficients place...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. In the PhET simulation click on the Make Ammonia radio button in the bottom of the screen. Balance the given chemical equation by changing the coef...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Determine which elements are balanced and which are unbalanced in the following partially balanced chemical equation.2LiOH + H2SO4 ⟶ Li2SO4 + H2ODr...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. The following unbalanced chemical equations are provided in the PhET simulation:Make Ammonia: N2 + H2 ⟶ NH3Separate Water: H2O ⟶ H2 + O2Combust Met...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Part B. Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction:? H3PO4 + ? Mg(OH)2 → ?...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Part A. The figure shows the reaction of element A (lavender spheres) with element B (tan spheres). Write the balanced chemical equation for this r...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Now that we have put coefficients of 3 in front of CaSO4 and CaCl2, what coefficient should go in front of AlCl3 to balance both the Cl atoms and t...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Now that we have put a coefficient of 3 in front of CaSO4, what coefficient should go in front of CaCl2 to balance calcium (Ca)?3 CaSO4 + AlCl3 → ?...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Notice that "SO4" appears in two different places in this chemical equation. SO42− is a polyatomic ion called "sulfate." What number should be plac...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. After going through a guided tutorial by selecting Run Moles Demonstration, you can create your own experiment by clicking the Run Experiment butto...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. In the second step of this reaction, isocyanic acid reacts to form melamine and carbon dioxide:HNCO(l) → C3N3(NH2)3(l) + CO2(g)Balance this reactio...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Determine the balanced chemical equation for this reaction.C8H18(g) + O2(g) → CO2(g) + H2O(g)The octane rating of gasoline is a relationship of the...

Solved • Jul 1, 2020

Balancing Chemical Equations

Q. Part A. Sulfur tetrafluoride, SF4, reacts slowly with oxygen, O2, to form sulfur tetrafluoride monoxide, OSF4, according to the following unbalance...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Balance the following equations, and indicate whether they are combination, decomposition, or combustion reactions.K2O(s) + H2O(l) → KOH(aq)

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Balance the following equations, and indicate whether they are combination, decomposition, or combustion reactions.C5H6O(l) + O2(g) → CO2(g) + H2O(g)

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Write a balanced chemical equation for the reaction that occurs when the gasoline additive methyl tert-butyl ether, C5H12O(l), burns in air. Expres...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Write a balanced chemical equation for the reaction that occurs when heptane, C7H16 (l), burns in air. Express your answer as a balanced chemical e...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Balance the following equations, and indicate whether they are combination, decomposition, or combustion reactions.C3H6(g) + O2(g) → CO2(g) + H2O(g)

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Write a balanced chemical equation for the reaction that occurs when copper (II) hydroxide decomposes into copper (II) oxide and water when heated....

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Write a balanced chemical equation for the reaction that occurs when calcium metal undergoes a combination reaction with O2 (g). Express your answe...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Balance the following equations.  Express your answer as a balanced chemical equation. Identify all of the phases in your answer.(c) AlCl3 (s) + Ca...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Balance the following equations.  Express your answer as a balanced chemical equation. Identify all of the phases in your answer.(c) NH4NO3 (s) → N...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. In balancing equations is it acceptable to change the coefficients, the subscripts in the chemical formula, or both?

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Balance the following equations. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.(b) TiCl4 (l) + H2O...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. What scientific principle or law is used in the process of balancing chemical equations?a. periodic lawb. the law of conservation of massc. Avogadr...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Balance the following equations. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.(a) Li(s) + N2 (g) ...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. The unbalanced equation for the reaction between methane and bromine is:__CH4(g) + __Br2(l) → __CBr4(s) + __HBr(g)Once this equation is balanced wh...

Solved • Jun 30, 2020

Balancing Chemical Equations

Q. Gaseous methane reacts with oxygen to form carbon dioxide and water vapor.Write a balanced equation for the combustion reaction.Express your answer...

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. What is the coefficient of H2O when the reaction is balanced? (Note: all coefficients must be integers).Al (s) + H2O (l) → Al(OH)3 (s) + H2 (g)a. 4...

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. Identify the reactants and products in this chemical equation.4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g)

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. What is a balanced chemical equation?Match the words and phrases in the left column to the appropriate blanks in the sentences on the right.In chem...

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. How many oxygen atoms are on the right-hand side of the following chemical equation?4FeCO3(s) + O2(g) → 2Fe2O3(s) + 4CO2(g)Express your answer as i...

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. Write a balanced equation for the complete combustion of table sugar (sucrose, C12H22O11). Use H2O(l) in the balanced chemical equation because the...

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. Write a balanced equation for the complete combustion of solid palmitic acid. Use H2O(l) in the balanced chemical equation because the metabolism o...

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. Hydrogen and methanol have both been proposed as alternatives to hydrocarbon fuels.Write balanced reactions for the complete combustion of methanol.

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. Hydrogen and methanol have both been proposed as alternatives to hydrocarbon fuels. Write balanced reactions for the complete combustion of hydrogen.

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. Methanol (CH3OH) has been suggested as a fuel to replace gasoline. Write a balanced equation for the combustion of methanol.

Solved • Jun 25, 2020

Balancing Chemical Equations

Q. Balance the following redox reaction by inserting the appropriate coefficients.Fe3+ + NO2- + H2O → Fe2+ + H+ + NO3-

Solved • May 1, 2020

Balancing Chemical Equations

Q. Balance the following reaction. ___ C2H6 + ___O2 → ___CO2 + ___ H2O What is the coefficient in front of the water?(a) 2 (b) 4 (c) 6 (d) 3 (e) 5

Solved • Apr 30, 2020

Balancing Chemical Equations

Q. Balance the following reaction. ___ H2SO4 + ___ Mg(OH)2 → ___ MgSO4 + ___ H2O What is the coefficient in front of the water? (a) 2 (b) 4 (c) 1 (d) ...

Solved • Apr 30, 2020

Balancing Chemical Equations

Q. Consider the following equation: N2 + 3 H2 → 2 NH3. Which of the following statements is NOT true for this equation? (a) 1 L of N2 reacts with 3 L ...

Solved • Apr 30, 2020

Balancing Chemical Equations

Q. Balance the following equations by inserting the appropriate coefficients.C2H6 + O2 → CO2 + H2O

Solved • Apr 30, 2020

Balancing Chemical Equations

Q. Balance the following equations by inserting the appropriate coefficients.P4 + O2 → P2O5

Solved • Apr 30, 2020

Balancing Chemical Equations

Q. Add the stoichiometric coefficients to the equation to balance it.Au(s) + HNO3(aq) + HCl(aq) → HAuCl4(aq) + NO2(g) + H2O(l)

Solved • Apr 30, 2020

Balancing Chemical Equations

Q. C2H6O(l) + O2(g) →Express your answer as a chemical equation. Identify all of the phases in your answer.

Solved • Apr 29, 2020

Balancing Chemical Equations

Q. What is the coefficient for iron metal after the following reaction is balanced:_?_ Fe (s) + _?_ O2 (g) → _?_ Fe2O3 (s)? A. 1 B. 3 C. 4D. 6 E. 8

Solved • Apr 28, 2020

Balancing Chemical Equations

Q. Classify each substance as either a reactant or product in the chemical reaction.ethanol, carbon dioxide, water, oxygen

Solved • Apr 28, 2020

Balancing Chemical Equations

Q. Liquid pentane (C5H12) reacts with gaseous oxygen to form carbon dioxide and liquid water.Express your answer as a chemical equation.

Solved • Apr 23, 2020

Balancing Chemical Equations

Q. Gaseous butane (C4H10) reacts with oxygen gas to form carbon dioxide gas and liquid water.Express your answer as a chemical equation.

Solved • Apr 23, 2020

Balancing Chemical Equations

Q. Solid cobalt(III) oxide reacts with solid carbon to form solid cobalt and carbon dioxide gasExpress your answer as a chemical equation.

Solved • Apr 23, 2020

Balancing Chemical Equations

Q. Which of the following equations are balanced? Balance those that need it.(a) CaC2 + 2 H2O  → Ca(OH)2 + C2H2(b) C2H8N2 + 2 N2O4 → 2 N2 + 2 CO2 + 4 ...

Solved • Apr 23, 2020

Balancing Chemical Equations

Q. Balance the following reaction.Sn(s) + HNO3(aq) → SnO2(s) + NO2(g) + H2O(l)Express your answer as a chemical equation. Identify all of the phases i...

Solved • Apr 23, 2020

Balancing Chemical Equations

Q. C4H10S(l) + O2(g) →Express your answer as a chemical equation. Identify all of the phases in your answer.

Solved • Apr 20, 2020

Balancing Chemical Equations

Q. Balance this reaction:H2SO4 (aq) + NaOH (aq)  →  H2O(l) + Na2SO4 (aq)

Solved • Apr 14, 2020

Balancing Chemical Equations

Q. Chemistry of Volcanic Gases: Balance the following reactions that occur among volcanic gases. Place coefficient directly in front of the compound, ...

Solved • Apr 13, 2020

Balancing Chemical Equations

Q. What is the formula for the salt that forms from...HNO3 + Ba(OH)2

Solved • Mar 20, 2020

Balancing Chemical Equations

Q. Insert the missing coefficients in the following partially balanced chemical equations.S + 6 HNO3 → H2SO4 + 6 NO2 + 2H2OCu + 4HNO3 → Cu(NO3)2 + 2NO...

Solved • Mar 18, 2020

Balancing Chemical Equations

Q. 1 mole of glucose (C6H12O6) is produced from 6 moles of carbon dioxide (CO2). There are 12 moles of oxygen atoms in 6 moles of carbon dioxide. How ...

Solved • Mar 18, 2020

Balancing Chemical Equations

Q. Write the balanced chemical equation for the reaction shown here. Do not subscript the arrow.

Solved • Mar 17, 2020

Balancing Chemical Equations

Q. Balance the following equations by inserting coefficients as needed.ZnO + CO → Zn + CO2 SO2 + O2 → SO3 

Solved • Mar 17, 2020

Balancing Chemical Equations

Q. Balance the following equation by inserting coefficients as needed.Li3N + H2O → LiOH + NH3 

Solved • Mar 17, 2020

Balancing Chemical Equations

Q. Using structures, write the balanced chemical reaction between potassium hydroxide and methanol to form water and potassium methoxide.

Solved • Mar 17, 2020

Balancing Chemical Equations

Q. Balance the following combustion equation.___C6H12O2(l) + ___O2(g) → ___CO2(g )+ ___H2O(g)What is the stoichiometric coefficient for oxygen?A) 8B) ...

Solved • Oct 25, 2019

Balancing Chemical Equations

Q. What is the stoichiometric coefficient for manganese dioxide when the chemical equation is balanced using the smallest, whole-number stoichiometric...

Solved • Oct 3, 2019

Balancing Chemical Equations

Q. What is the stoichiometric coefficient for Al2O3 when the following equation is balanced using the smallest, whole-number coefficients?Fe2O3(s) + A...

Solved • Oct 1, 2019

Balancing Chemical Equations

Q. When the following equation is balanced, the coefficients are __________._____C8H18 (g) + _____O2 (g) → _____CO2 (g) + _____H2O (g)A. 2, 3, 4, 4B. ...

Solved • Sep 13, 2019

Balancing Chemical Equations

Q. Balance the following chemical equation:__Cr2O3 + __Mg → __Cr + __MgO

Solved • Aug 25, 2019

Balancing Chemical Equations

Q. Balancing chemical equationsAl + O2 → Al2O3

Solved • Aug 25, 2019

Balancing Chemical Equations

Q. What are the predicted products for the following single replacement reaction?NaBr(aq) + Cl2 →Choose 1 answer:a. ClBr(aq) and Nab. No reactionc. Na...

Solved • Aug 25, 2019

Balancing Chemical Equations

Q. Balance the following reaction:C2H4 + O2 → CO2 + H2O

Solved • Aug 25, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Heating solid potassium chlorate in the presence of manganese dioxi...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Heating solid nickel chloride dihydrate yields solid nickel chlorid...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Sodium metal reacts with water to give sodium hydroxide solution an...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Sulfur dioxide gas reacts with oxygen on a platinum catalyst surfac...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Acetic acid and lithium hydroxide solution produce water and aqueou...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Aluminum metal and sulfuric acid yield aqueous aluminum sulfate and...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Mercury(II) nitrate solution reacts with potassium iodide solution ...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. Write a balanced chemical equation for the following and classify the reaction. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueou...

Solved • Aug 15, 2019

Balancing Chemical Equations

Q. What is the chemical equation for diphosphorus trioxide + water → phosphorous acid?

Solved • Aug 8, 2019

Balancing Chemical Equations

Q. What is the balanced equation of C6H6 + O2 = CO2 + H2O?

Solved • Aug 8, 2019

Balancing Chemical Equations

Q. Write an equation for the reaction between zinc metal and hydrochloric acid (aqueous) producing zinc chloride (aqueous) and hydrogen gas?

Solved • Aug 8, 2019